package com.fzn.spring5.dao;

/**
 * @program: spring5_demo4
 * 描述：
 * @author: fzn
 * @create: 2022-02-26 19:44
 **/
public class UserDaoImpl implements UserDao {
    @Override
    public int add(int a, int b) {
        System.out.println("add方法执行了");
        return a + b;
    }

    @Override
    public String update(String id) {
        System.out.println("update方法执行了");
        return id;
    }
}